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Round|Lab Grown|IGI

1.25ct F VVS1 Round Lab Grown Diamond

EX • F/VVS1 • IGI LG853664158

Shape and cutting style on the report: Round brilliant

Certificate IGI LG853664158

Diamond specifications and retailer prices

From £142 GBP
As of November 5, 2026
Save £1,034 GBP (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,176 GBP at Yadav Diamonds · As of November 4, 2026
View at Yadav Diamonds

About this 1.25ct lab-grown round diamond

This 1.25ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG853664158 or 853664158. Listed at 14 retailers as of November 4, 2026, with prices from £142 to £1,176, a £1,034 spread on the same certified stone. Yadav Diamonds lists it at £1,176. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG853664158
Dimensions6.83 × 6.87 × 4.31 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.83 mm6.87 mm1.25 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG853664158
Side View
Table 57.0%Crown 35.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £314 GBP|Low: £142 GBP|High: £1,176 GBP|Avg: £461 GBP|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Yadav Diamonds
November 6, 2026
Retailer 8£142 GBP
Retailer 9£164 GBP
Retailer 12£175 GBP
Retailer 11£199 GBP
Retailer 3£238 GBP
Retailer 6£301 GBP
Retailer 1£314 GBP
Retailer 4£421 GBP
Retailer 7£565 GBP
Retailer 2£583 GBP
Retailer 5£601 GBP
Retailer 13£604 GBP
Retailer 10£819 GBP
Yadav Diamonds£1,176 GBP

4 data points across 14 retailers

14 retailers£142 GBP to £1,176 GBP

A
Cheapest Retailer
-
£142 GBP
A
Retailer 2
-
£164 GBP
View
A
Retailer 3
-
£175 GBP
View
A
Retailer 4
-
£199 GBP
View
B+
Retailer 5
-
£238 GBP
View
A
Retailer 6
-
£301 GBP
View
A
Retailer 7
-
£314 GBP
View
B+
Retailer 8
-
£421 GBP
View
B
Retailer 9
-
£565 GBP
View
B
Retailer 10
-
£583 GBP
View
B
Retailer 11
-
£601 GBP
View
B
Retailer 12
-
£604 GBP
View
B
Retailer 13
-
£819 GBP
View
Most Expensive
B
Yadav Diamonds
13386684 · Nov 4
£1,176 GBP
$1,583 USD
View
13 more retailers have this diamond
Prices start from £142 GBPSave up to £1,034 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.25ct Round
£142 GBP